"My Lello ponytail holders are super soft and stretchy for a comfortable, secure fit and will not break because they have no seams or metal. The thick ties have more surface area for tying bows than the hair ties or regular elastics The Toddler - Child size is perfect for toddlers and children's ponytails and for girls with long, thick or thin hair. Wear it alone or attach a flower. or a hair bow! Can be flipped over to reveal the rolled edges for a different look and soft, stretchy nylon hair. The bands are "ouch free" and are not harmful to hair, even fine infant hair. Size: approximately 5/16" tall and 1.5" in diameter when relaxed and up to 5-6" when stretched."